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प्रश्न
Calyx : Sepals : : Corolla : ________________
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उत्तर
Calyx : Sepals : : Corolla : Petals
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संबंधित प्रश्न
A student while observing an embryo of a pea seed in the laboratory listed various parts of the embryo as given below:
Testa, Tegmen, Radicle, Plumule, Micropyle, Cotyledon.
On examining the list the teacher remarked that only three parts are correct. Select three correct parts from the above list:
(a) Testa, Radicle, Cotyleddon
(b) Tegmen, Radicle, Micropyle
(c) Cotyledon, Plumule, Testa
(d) Radicle, Cotyledon, Plumule
A student has to perform the experiment "To identify the different parts of an embryo of a dicot seed." Select from the following an appropriate group of seeds:
(a) Pea, gram, wheat
(b) Red kidney bean, maize, gram
(c) Maize, wheat, red kidney bean
(d) Red kidney bean, pea, gram
State significance of pollination.
Mention the changes a flower undergoes after fertilisation.
Write the names of those parts of a flower which serve the same function as the following do in the animals :
(i) testis,
(ii) sperm,
(iii) ovary,
(iv) egg
How is the process of pollination different from fertilization?
The anther contains ______.
How does the process of fertilisation take place in flowers?
Name the male part of the flower.
What are the reproductive organs in a flower?
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
Explain the terms 'self pollination'
What is meant by 'unisexual flowers' and 'bisexual flowers'? Give two examples of each.
(a) Draw a neat diagram of a flower showing its various parts. In this diagram mark stem, receptacle, sepals, petals, stamen and carpel.
(b) What name is given to (i) all the petals of a flower, and (ii) all the sepals of a flower?
(c) What are (i) stamen, and (ii) carpel, in a flower?
(d) What is the other name of carpel of a flower?
(e) What is the name of yellow powdery substance present in the anther of a flower?
The length of pollen tube depends on the distance between :
(a) pollen grain and upper surface of stigma
(b) pollen grain on upper surface of stigma and ovule
(c) pollen grain in anther and upper surface of stigma
(d) upper surface of stigma and lower part of style
Fill in the blank by selecting suitable word:
A flower bearing only male or female parts is known as __________ flower.
Mention the function of Flower.
Mention the function of Anther.
What are the male and female gametes in a flowering plant?
What part is played by stamens and carpels in reproduction?
Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
Explain sexual reproduction in plants.
Prepare a slogan for campaign against female foeticide.
Answer the following question.
How does suitable pollination lead to fertilization?
Pollen grains from anther are transferred to the stigma.
Write the functions of sepals
Distinguish between self-pollination and cross-pollination.
Observe the figure below. Write functions of the labelled parts.
The male reproductive part of a flower is ______.
The essential parts of a flower are ______.
The ovule of an angiosperm is technically equivalent to ______
The seed that contains the future plant is called the ______
Which out of the following processes does not lead to the formation of clones.
In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation.
Draw the diagram of a flower and label the four whorls. Write the names of gamete producing organs in the flower.
Sketch and label the essential and accessory whorls of flower.
Give any two examples of agents of pollination.
In a plant flower the female whorl is ______.
What is the function of calyx?
